<?php

require_once 'db_conn.php';
header("content-type:text/html;charsert=utf-8");


$username = $_POST['username'];
$password = $_POST['password'];
$username = mysql_real_escape_string($username);
$password = mysql_real_escape_string($password);
$password = md5($password);

$sql = "
select *
from account='$username'
    and password='$password'
limit 1;
";

//echo $sql;
$result = $conn->query($sql);
if($result->num_rows>0){
    echo "正确！";
}  else {
    echo "用户名或密码错误！";
}
